EP 2958183 A1 20151223 - ELECTROLYTE SOLUTION AND LITHIUM ION SECONDARY BATTERY PROVIDED WITH SAME
Title (en)
ELECTROLYTE SOLUTION AND LITHIUM ION SECONDARY BATTERY PROVIDED WITH SAME
Title (de)
ELEKTROLYTLÖSUNG UND LITHIUM-IONEN-SEKUNDÄRBATTERIE DAMIT
Title (fr)
SOLUTION D'ÉLECTROLYTE ET BATTERIE SECONDAIRE AU LITHIUM-ION LA COMPRENANT
Publication
Application
Priority
- JP 2013029274 A 20130218
- JP 2013188802 A 20130911
- JP 2014053752 W 20140218
Abstract (en)
The objective of the present invention is to provide an electrolyte solution of which electrolyte salt concentration is high and by which cycle characteristics hardly deteriorate and battery lifetime can be extended, and a lithium ion secondary battery which contains the above electrolyte solution. The electrolyte solution of the present invention comprises an electrolyte salt and a solvent, wherein a concentration of the electrolyte salt is more than 1.1 mol/L, the electrolyte salt contains a compound represented by the following formula (1) : (XSO 2 ) (FSO 2 )NLi (1) [wherein X is a fluorine atom, a C 1-6 alkyl group or a C 1-6 fluoroalkyl group], and the solvent contains a cyclic carbonate.
IPC 8 full level
H01M 10/0568 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01)
CPC (source: EP US)
H01M 10/0568 (2013.01 - EP US); H01M 10/0569 (2013.01 - EP US); H01M 10/0525 (2013.01 - EP US); H01M 2220/20 (2013.01 - EP US); H01M 2220/30 (2013.01 - EP US); H01M 2300/0028 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2958183 A1 20151223; EP 2958183 A4 20160921; EP 2958183 B1 20200506; CN 104995785 A 20151021; CN 104995785 B 20171124; JP 2017084820 A 20170518; JP 6078629 B2 20170208; JP 6353564 B2 20180704; JP WO2014126256 A1 20170202; KR 102141903 B1 20200806; KR 20150120393 A 20151027; PL 2958183 T3 20201102; US 10978740 B2 20210413; US 2015380768 A1 20151231; WO 2014126256 A1 20140821
DOCDB simple family (application)
EP 14751453 A 20140218; CN 201480008985 A 20140218; JP 2014053752 W 20140218; JP 2015500340 A 20140218; JP 2017004509 A 20170113; KR 20157023579 A 20140218; PL 14751453 T 20140218; US 201414768273 A 20140218